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Australian Study: COVID-19 'Exquisitely Adapted' for Human Cells

A major new Australian study of COVID-19 has found that it seems specially adapted to infect human cells, casting some doubt on whether it emerged in bats or pangolins when it first erupted in China.

As a consequence, the scientists behind the study say, a “possibility which still cannot be excluded is that SARSCoV-2 was created by a recombination event that occurred inadvertently or consciously in a laboratory handling coronaviruses, with the new virus then accidentally released into the local human population"

"The results clearly show that the COVID-19 virus is exquisitely adapted to infect humans," says Flinders University Professor Nikolai Petrovsky, lead author of a new paper just published online in arXiv, a leading US preprint server for researchers.

"The virus's ability to bind protein on human cells was far greater than its ability to bind the same protein in bats, which argues against bats being a direct source of the human virus."

from A major new Australian study of COVID-19 has found that it seems specially adapted to infect human cells, casting some doubt on whether it emerged in bats or pangolins when it first erupted in China.

As a consequence, the scientists behind the study say, a “possibility which still cannot be excluded is that SARSCoV-2 was created by a recombination event that occurred inadvertently or consciously in a laboratory handling coronaviruses, with the new virus then accidentally released into the local human population"

"The results clearly show that the COVID-19 virus is exquisitely adapted to infect humans," says Flinders University Professor Nikolai Petrovsky, lead author of a new paper just published online in arXiv, a leading US preprint server for researchers.

"The virus's ability to bind protein on human cells was far greater than its ability to bind the same protein in bats, which argues against bats being a direct source of the human virus."